#ifndef _LED_H_
#define _LED_H_

#define uchar unsigned char
//


//variable definition
uchar led4bit[4];

//constant definition
unsigned char code LED[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};

//function delcaration
void delay(void);
void ledpro(void);

extern void flash(void);
extern unsigned char changled(unsigned char);
extern void checkkey(void);
extern void keypro(void);
extern uchar data keystaflag;
extern void checkkeysta(void);
#endif